| ⇢ | A | Book added | |
| ⇢ | A | Author added | |
| ⇢ | A | CreateBooks added | |
| ⇢ | A | CreateAuthors added |
| ⇢ | A | CacheTest::setUp() added | |
| ⇢ | A | CacheTest::testCacheIsNotEmptyAfterLoadingModels() added | |
| ⇢ | A | CreateBooks::up() added | |
| ⇢ | A | CreateAuthors::up() added | |
| ⇢ | A | CacheTest::testCacheIsEmptyBeforeLoadingModels() added | |
| ⇢ | A | Book::author() added | |
| ⇢ | A | Author::books() added | |
| ⇢ | A | CreateBooks::down() added | |
| ⇢ | A | CreateAuthors::down() added | |
| A | ↘ | B | Builder::eagerLoadRelation() got worse |
| A | ↛ | CacheTest::testExample() removed |